[gmpi] Re: Topic 6: Time representation
- From: "Vincent Burel" <vincent.burel@xxxxxxxxxx>
- To: <gmpi@xxxxxxxxxxxxx>
- Date: Fri, 9 May 2003 09:41:31 +0200
----- Original Message -----
From: "Frederick Umminger" <Frederick_Umminger@xxxxxxxxxxxxxx>
To: <gmpi@xxxxxxxxxxxxx>
Sent: Thursday, May 08, 2003 7:42 PM
Subject: [gmpi] Re: Topic 6: Time representation
>
>
> -----Original Message-----
> From: Vincent Burel [mailto:vincent.burel@xxxxxxxxxx]
> >just one remark.
> >If possible , think to communicate to the plug-in a structure which
contain
> >all time type in all possible unit.
> >i think Tim Hockin said it also.
> >
> >the typical problem is to avoid redondancy computation.
> >Providing a complete time structure to the plug-in means that the time
> >conversion and computation will be made one time only (by the host) .
>
> I think this solution actually increases redundancy. It requires the host
to compute
> time in various units that the plugin will never use. Nearly all plugins
are only going
> to need one unit.
>
> This can be a lot of excess computation if it is being done for
time-stamps on all Midi
> and automation data in a large multi-track session.
i'm affraid i don't understand. For me the time representation for plug-in
has to be computed one and only one time per audioframe (whatever the number
of plug-in on the system) so where is "more redundancy" !?. Also i don't
understand why you are talking about MIDI and Automation, these events are
typically not provided to the plug-in with a time representation !
Vincent Burel
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